1 files changed, 0 insertions, 121 deletions
diff --git a/examples/chemicalFormulas.py b/examples/chemicalFormulas.py
deleted file mode 100644
index 87a5b6a..0000000
--- a/examples/chemicalFormulas.py
+++ /dev/null
@@ -1,121 +0,0 @@
-#
-# chemicalFormulas.py
-#
-# Copyright (c) 2003,2019 Paul McGuire
-#
-
-import pyparsing as pp
-
-atomicWeight = {
-    "O": 15.9994,
-    "H": 1.00794,
-    "Na": 22.9897,
-    "Cl": 35.4527,
-    "C": 12.0107,
-}
-
-digits = "0123456789"
-
-# Version 1
-element = pp.Word(pp.alphas.upper(), pp.alphas.lower(), max=2).set_name("element")
-# for stricter matching, use this Regex instead
-# element = Regex("A[cglmrstu]|B[aehikr]?|C[adeflmorsu]?|D[bsy]|"
-#                 "E[rsu]|F[emr]?|G[ade]|H[efgos]?|I[nr]?|Kr?|L[airu]|"
-#                 "M[dgnot]|N[abdeiop]?|Os?|P[abdmortu]?|R[abefghnu]|"
-#                 "S[bcegimnr]?|T[abcehilm]|U(u[bhopqst])?|V|W|Xe|Yb?|Z[nr]")
-elementRef = pp.Group(element + pp.Opt(pp.Word(digits), default="1"))
-formula = elementRef[...]
-
-
-def sum_atomic_weights(element_list):
-    return sum(atomicWeight[elem] * int(qty) for elem, qty in element_list)
-
-
-formula.runTests(
-    """\
-    H2O
-    C6H5OH
-    NaCl
-    """,
-    fullDump=False,
-    postParse=lambda _, tokens: "Molecular weight: {}".format(
-        sum_atomic_weights(tokens)
-    ),
-)
-print()
-
-# Version 2 - access parsed items by results name
-elementRef = pp.Group(
-    element("symbol") + pp.Opt(pp.Word(digits), default="1")("qty")
-)
-formula = elementRef[...]
-
-
-def sum_atomic_weights_by_results_name(element_list):
-    return sum(atomicWeight[elem.symbol] * int(elem.qty) for elem in element_list)
-
-
-formula.runTests(
-    """\
-    H2O
-    C6H5OH
-    NaCl
-    """,
-    fullDump=False,
-    postParse=lambda _, tokens: "Molecular weight: {}".format(
-        sum_atomic_weights_by_results_name(tokens)
-    ),
-)
-print()
-
-# Version 3 - convert integers during parsing process
-integer = pp.Word(digits).add_parse_action(lambda t: int(t[0])).set_name("integer")
-elementRef = pp.Group(element("symbol") + pp.Opt(integer, default=1)("qty"))
-formula = elementRef[...].set_name("chemical_formula")
-
-
-def sum_atomic_weights_by_results_name_with_converted_ints(element_list):
-    return sum(atomicWeight[elem.symbol] * int(elem.qty) for elem in element_list)
-
-
-formula.runTests(
-    """\
-    H2O
-    C6H5OH
-    NaCl
-    """,
-    fullDump=False,
-    postParse=lambda _, tokens: "Molecular weight: {}".format(
-        sum_atomic_weights_by_results_name_with_converted_ints(tokens)
-    ),
-)
-print()
-
-# Version 4 - parse and convert integers as subscript digits
-subscript_digits = "₀₁₂₃₄₅₆₇₈₉"
-subscript_int_map = {e[1]: e[0] for e in enumerate(subscript_digits)}
-
-
-def cvt_subscript_int(s):
-    ret = 0
-    for c in s[0]:
-        ret = ret * 10 + subscript_int_map[c]
-    return ret
-
-
-subscript_int = pp.Word(subscript_digits).add_parse_action(cvt_subscript_int).set_name("subscript")
-
-elementRef = pp.Group(element("symbol") + pp.Opt(subscript_int, default=1)("qty"))
-formula = elementRef[1, ...].set_name("chemical_formula")
-formula.runTests(
-    """\
-    H₂O
-    C₆H₅OH
-    NaCl
-    """,
-    fullDump=False,
-    postParse=lambda _, tokens: "Molecular weight: {}".format(
-        sum_atomic_weights_by_results_name_with_converted_ints(tokens)
-    ),
-)
-print()